1. Not finding help here? Sign up for a free 30min tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Expression for vertical deflection in a cathode ray tube

  1. Aug 31, 2006 #1
    i need to find the expression for the vertical direction of a beam in a cathode ray tube, using:
    Va - accelerating voltage (between cathode &anode)
    Vd - deflecting voltage
    ly - effective length of deflecting plates
    L - distance from end of plates to the screen
    d - distance between plates
    Me - mass of electron
    e - charge of electron

    this is for a prac of mine so i need to work it out during the prac and show working and everything, but i would like to know what the expression looks like so i have a general idea of what im doing and can see if i get something wrong.

  2. jcsd
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Can you help with the solution or looking for help too?
Draft saved Draft deleted

Similar Discussions: Expression for vertical deflection in a cathode ray tube